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path: root/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
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Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_rf_al2230.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_rf_al2230.c308
1 files changed, 308 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_rf_al2230.c b/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
new file mode 100644
index 000000000000..0948b25f660d
--- /dev/null
+++ b/drivers/net/wireless/zd1211rw/zd_rf_al2230.c
@@ -0,0 +1,308 @@
1/* zd_rf_al2230.c: Functions for the AL2230 RF controller
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18#include <linux/kernel.h>
19
20#include "zd_rf.h"
21#include "zd_usb.h"
22#include "zd_chip.h"
23
24static const u32 al2230_table[][3] = {
25 RF_CHANNEL( 1) = { 0x03f790, 0x033331, 0x00000d, },
26 RF_CHANNEL( 2) = { 0x03f790, 0x0b3331, 0x00000d, },
27 RF_CHANNEL( 3) = { 0x03e790, 0x033331, 0x00000d, },
28 RF_CHANNEL( 4) = { 0x03e790, 0x0b3331, 0x00000d, },
29 RF_CHANNEL( 5) = { 0x03f7a0, 0x033331, 0x00000d, },
30 RF_CHANNEL( 6) = { 0x03f7a0, 0x0b3331, 0x00000d, },
31 RF_CHANNEL( 7) = { 0x03e7a0, 0x033331, 0x00000d, },
32 RF_CHANNEL( 8) = { 0x03e7a0, 0x0b3331, 0x00000d, },
33 RF_CHANNEL( 9) = { 0x03f7b0, 0x033331, 0x00000d, },
34 RF_CHANNEL(10) = { 0x03f7b0, 0x0b3331, 0x00000d, },
35 RF_CHANNEL(11) = { 0x03e7b0, 0x033331, 0x00000d, },
36 RF_CHANNEL(12) = { 0x03e7b0, 0x0b3331, 0x00000d, },
37 RF_CHANNEL(13) = { 0x03f7c0, 0x033331, 0x00000d, },
38 RF_CHANNEL(14) = { 0x03e7c0, 0x066661, 0x00000d, },
39};
40
41static int zd1211_al2230_init_hw(struct zd_rf *rf)
42{
43 int r;
44 struct zd_chip *chip = zd_rf_to_chip(rf);
45
46 static const struct zd_ioreq16 ioreqs[] = {
47 { CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 },
48 { CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 },
49 { CR44, 0x33 }, { CR106, 0x2a }, { CR107, 0x1a },
50 { CR109, 0x09 }, { CR110, 0x27 }, { CR111, 0x2b },
51 { CR112, 0x2b }, { CR119, 0x0a }, { CR10, 0x89 },
52 /* for newest (3rd cut) AL2300 */
53 { CR17, 0x28 },
54 { CR26, 0x93 }, { CR34, 0x30 },
55 /* for newest (3rd cut) AL2300 */
56 { CR35, 0x3e },
57 { CR41, 0x24 }, { CR44, 0x32 },
58 /* for newest (3rd cut) AL2300 */
59 { CR46, 0x96 },
60 { CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 },
61 { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 },
62 { CR92, 0x0a }, { CR99, 0x28 }, { CR100, 0x00 },
63 { CR101, 0x13 }, { CR102, 0x27 }, { CR106, 0x24 },
64 { CR107, 0x2a }, { CR109, 0x09 }, { CR110, 0x13 },
65 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
66 { CR114, 0x27 },
67 /* for newest (3rd cut) AL2300 */
68 { CR115, 0x24 },
69 { CR116, 0x24 }, { CR117, 0xf4 }, { CR118, 0xfc },
70 { CR119, 0x10 }, { CR120, 0x4f }, { CR121, 0x77 },
71 { CR122, 0xe0 }, { CR137, 0x88 }, { CR252, 0xff },
72 { CR253, 0xff },
73
74 /* These following happen separately in the vendor driver */
75 { },
76
77 /* shdnb(PLL_ON)=0 */
78 { CR251, 0x2f },
79 /* shdnb(PLL_ON)=1 */
80 { CR251, 0x3f },
81 { CR138, 0x28 }, { CR203, 0x06 },
82 };
83
84 static const u32 rv[] = {
85 /* Channel 1 */
86 0x03f790,
87 0x033331,
88 0x00000d,
89
90 0x0b3331,
91 0x03b812,
92 0x00fff3,
93 0x000da4,
94 0x0f4dc5, /* fix freq shift, 0x04edc5 */
95 0x0805b6,
96 0x011687,
97 0x000688,
98 0x0403b9, /* external control TX power (CR31) */
99 0x00dbba,
100 0x00099b,
101 0x0bdffc,
102 0x00000d,
103 0x00500f,
104
105 /* These writes happen separately in the vendor driver */
106 0x00d00f,
107 0x004c0f,
108 0x00540f,
109 0x00700f,
110 0x00500f,
111 };
112
113 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
114 if (r)
115 return r;
116
117 r = zd_rfwritev_locked(chip, rv, ARRAY_SIZE(rv), RF_RV_BITS);
118 if (r)
119 return r;
120
121 return 0;
122}
123
124static int zd1211b_al2230_init_hw(struct zd_rf *rf)
125{
126 int r;
127 struct zd_chip *chip = zd_rf_to_chip(rf);
128
129 static const struct zd_ioreq16 ioreqs1[] = {
130 { CR10, 0x89 }, { CR15, 0x20 },
131 { CR17, 0x2B }, /* for newest(3rd cut) AL2230 */
132 { CR23, 0x40 }, { CR24, 0x20 }, { CR26, 0x93 },
133 { CR28, 0x3e }, { CR29, 0x00 },
134 { CR33, 0x28 }, /* 5621 */
135 { CR34, 0x30 },
136 { CR35, 0x3e }, /* for newest(3rd cut) AL2230 */
137 { CR41, 0x24 }, { CR44, 0x32 },
138 { CR46, 0x99 }, /* for newest(3rd cut) AL2230 */
139 { CR47, 0x1e },
140
141 /* ZD1211B 05.06.10 */
142 { CR48, 0x00 }, { CR49, 0x00 }, { CR51, 0x01 },
143 { CR52, 0x80 }, { CR53, 0x7e }, { CR65, 0x00 },
144 { CR66, 0x00 }, { CR67, 0x00 }, { CR68, 0x00 },
145 { CR69, 0x28 },
146
147 { CR79, 0x58 }, { CR80, 0x30 }, { CR81, 0x30 },
148 { CR87, 0x0a }, { CR89, 0x04 },
149 { CR91, 0x00 }, /* 5621 */
150 { CR92, 0x0a },
151 { CR98, 0x8d }, /* 4804, for 1212 new algorithm */
152 { CR99, 0x00 }, /* 5621 */
153 { CR101, 0x13 }, { CR102, 0x27 },
154 { CR106, 0x24 }, /* for newest(3rd cut) AL2230 */
155 { CR107, 0x2a },
156 { CR109, 0x13 }, /* 4804, for 1212 new algorithm */
157 { CR110, 0x1f }, /* 4804, for 1212 new algorithm */
158 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
159 { CR114, 0x27 },
160 { CR115, 0x26 }, /* 24->26 at 4902 for newest(3rd cut) AL2230 */
161 { CR116, 0x24 },
162 { CR117, 0xfa }, /* for 1211b */
163 { CR118, 0xfa }, /* for 1211b */
164 { CR119, 0x10 },
165 { CR120, 0x4f },
166 { CR121, 0x6c }, /* for 1211b */
167 { CR122, 0xfc }, /* E0->FC at 4902 */
168 { CR123, 0x57 }, /* 5623 */
169 { CR125, 0xad }, /* 4804, for 1212 new algorithm */
170 { CR126, 0x6c }, /* 5614 */
171 { CR127, 0x03 }, /* 4804, for 1212 new algorithm */
172 { CR137, 0x50 }, /* 5614 */
173 { CR138, 0xa8 },
174 { CR144, 0xac }, /* 5621 */
175 { CR150, 0x0d }, { CR252, 0x00 }, { CR253, 0x00 },
176 };
177
178 static const u32 rv1[] = {
179 /* channel 1 */
180 0x03f790,
181 0x033331,
182 0x00000d,
183
184 0x0b3331,
185 0x03b812,
186 0x00fff3,
187 0x0005a4,
188 0x0f4dc5, /* fix freq shift 0x044dc5 */
189 0x0805b6,
190 0x0146c7,
191 0x000688,
192 0x0403b9, /* External control TX power (CR31) */
193 0x00dbba,
194 0x00099b,
195 0x0bdffc,
196 0x00000d,
197 0x00580f,
198 };
199
200 static const struct zd_ioreq16 ioreqs2[] = {
201 { CR47, 0x1e }, { CR_RFCFG, 0x03 },
202 };
203
204 static const u32 rv2[] = {
205 0x00880f,
206 0x00080f,
207 };
208
209 static const struct zd_ioreq16 ioreqs3[] = {
210 { CR_RFCFG, 0x00 }, { CR47, 0x1e }, { CR251, 0x7f },
211 };
212
213 static const u32 rv3[] = {
214 0x00d80f,
215 0x00780f,
216 0x00580f,
217 };
218
219 static const struct zd_ioreq16 ioreqs4[] = {
220 { CR138, 0x28 }, { CR203, 0x06 },
221 };
222
223 r = zd_iowrite16a_locked(chip, ioreqs1, ARRAY_SIZE(ioreqs1));
224 if (r)
225 return r;
226 r = zd_rfwritev_locked(chip, rv1, ARRAY_SIZE(rv1), RF_RV_BITS);
227 if (r)
228 return r;
229 r = zd_iowrite16a_locked(chip, ioreqs2, ARRAY_SIZE(ioreqs2));
230 if (r)
231 return r;
232 r = zd_rfwritev_locked(chip, rv2, ARRAY_SIZE(rv2), RF_RV_BITS);
233 if (r)
234 return r;
235 r = zd_iowrite16a_locked(chip, ioreqs3, ARRAY_SIZE(ioreqs3));
236 if (r)
237 return r;
238 r = zd_rfwritev_locked(chip, rv3, ARRAY_SIZE(rv3), RF_RV_BITS);
239 if (r)
240 return r;
241 return zd_iowrite16a_locked(chip, ioreqs4, ARRAY_SIZE(ioreqs4));
242}
243
244static int al2230_set_channel(struct zd_rf *rf, u8 channel)
245{
246 int r;
247 const u32 *rv = al2230_table[channel-1];
248 struct zd_chip *chip = zd_rf_to_chip(rf);
249 static const struct zd_ioreq16 ioreqs[] = {
250 { CR138, 0x28 },
251 { CR203, 0x06 },
252 };
253
254 r = zd_rfwritev_locked(chip, rv, 3, RF_RV_BITS);
255 if (r)
256 return r;
257 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
258}
259
260static int zd1211_al2230_switch_radio_on(struct zd_rf *rf)
261{
262 struct zd_chip *chip = zd_rf_to_chip(rf);
263 static const struct zd_ioreq16 ioreqs[] = {
264 { CR11, 0x00 },
265 { CR251, 0x3f },
266 };
267
268 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
269}
270
271static int zd1211b_al2230_switch_radio_on(struct zd_rf *rf)
272{
273 struct zd_chip *chip = zd_rf_to_chip(rf);
274 static const struct zd_ioreq16 ioreqs[] = {
275 { CR11, 0x00 },
276 { CR251, 0x7f },
277 };
278
279 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
280}
281
282static int al2230_switch_radio_off(struct zd_rf *rf)
283{
284 struct zd_chip *chip = zd_rf_to_chip(rf);
285 static const struct zd_ioreq16 ioreqs[] = {
286 { CR11, 0x04 },
287 { CR251, 0x2f },
288 };
289
290 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
291}
292
293int zd_rf_init_al2230(struct zd_rf *rf)
294{
295 struct zd_chip *chip = zd_rf_to_chip(rf);
296
297 rf->set_channel = al2230_set_channel;
298 rf->switch_radio_off = al2230_switch_radio_off;
299 if (chip->is_zd1211b) {
300 rf->init_hw = zd1211b_al2230_init_hw;
301 rf->switch_radio_on = zd1211b_al2230_switch_radio_on;
302 } else {
303 rf->init_hw = zd1211_al2230_init_hw;
304 rf->switch_radio_on = zd1211_al2230_switch_radio_on;
305 }
306 rf->patch_6m_band_edge = 1;
307 return 0;
308}